8537821822 has 8 divisors (see below), whose sum is σ = 12931070256. Its totient is φ = 4227465072.

The previous prime is 8537821819. The next prime is 8537821841. The reversal of 8537821822 is 2281287358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20722663 + ... + 20723074.

It is an arithmetic number, because the mean of its divisors is an integer number (1616383782).

Almost surely, 2^8537821822 is an apocalyptic number.

8537821822 is a deficient number, since it is larger than the sum of its proper divisors (4393248434).

8537821822 is a wasteful number, since it uses less digits than its factorization.

8537821822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41445842.

The product of its digits is 430080, while the sum is 46.

The square root of 8537821822 is about 92400.3345340264. The cubic root of 8537821822 is about 2043.8500455821.

The spelling of 8537821822 in words is "eight billion, five hundred thirty-seven million, eight hundred twenty-one thousand, eight hundred twenty-two".